Is Oleth-25 vegetarian?
Oleth-25
Oleth-25 is a polyethylene glycol ether of oleyl alcohol derived from tallow or other animal/plant sources, with an average of 25 moles of ethylene oxide. It functions as a nonionic surfactant and emulsifier in cosmetic formulations. Note: CAS 111-42-2 listed in the source corresponds to diethanolamine, not Oleth-25, and has not been assigned here.
| Also known as | PEG-25 oleyl ether, Polyethylene glycol oleyl ether (25 EO) |
|---|---|
| INCI name | Oleth-25 |
| CosIng ID | 78004 |
| Last reviewed | 4 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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